62 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Diagnosis Framework Disease ... : • 3 syndromes ... • CT: Halo sign ... , pleural effusion ... Infections #HIV #AIDS #pulmonary
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Mismatch • Airway Disease ... • Parenchymal Disease ... • Pulmonary Arterial ... Malformation • Severe Pneumonia ... Hypoventilation Syndrome
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
pleura reflection) Pneumonia ... Possible bilateral effusion ... Respiratory Distress Syndrome ... submassive PE) POCUS ... #Lung #POCUS #ultrasound
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Pericardial • Effusion ... • Sub-Valvular Disease ... Coronary Artery Disease ... Acute Coronary Syndrome ... Alveoli • Pneumonia
Causes of Pleural Effusion - Differential Diagnosis Algorithm
Transudate - Hydrostatic
 • Congestive heart failure
 • Constrictive
Causes of Pleural Effusion ... Infectious: • Pneumonia ... Malignancy • Pulmonary ... Gastrointestinal disease ... #Pulmonary #Diagnosis
Causes of Dyspnea - Differential Diagnosis Algorithm
Cardiac:
 • Dysrhythmia
 • Ischemia
 • Cardiomyopathy
 • Valvular disease
Superior vena cava syndrome ... disease • Asthma ... Parenchyma: • Pneumonia ... Interstitial lung disease ... Pleura: • Pleural effusion
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
104°F) • Lobar pneumonia ... gram-negative pneumonia ... • Behcet's syndrome ... • Hyper-IgD syndrome ... Brucellosis Faget's Sign
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
760 mm Hg at sea level ... obesity-hypoventilation syndrome ... Interstitial lung diseases ... hypoxemia • Causes: Pneumonia ... hepatopulmonary syndrome
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
B-Lines in case of Pneumonia ... healthy pt with fever ... /lung sliding: Pulmonary ... interstitial lung disease ... partially seen shred sign
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
cough, dyspnea, fever ... Rare: pleural effusions ... , Pulmonary lymphoma ... Treatment: • ... #COP #BOOP #pulmonary